Home / 127,110.56-175,410.24-70,520.72

Finding the Fourth Proportional to 127,110.56, 175,410.24 and 70,520.72

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Solution

The fourth proportional to 127,110.56, 175,410.24 and 70,520.72 is: 97,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,110.56 : 175,410.24 = 70,520.72 : x
  2. Step 2: Convert to fraction form
    127,110.56/175,410.24 = 70,520.72/x
  3. Step 3: Cross multiply
    127,110.56x = 175,410.24 × 70,520.72
  4. Step 4: Simplify right side
    127,110.56x = 12,370,056,420.17
  5. Step 5: Solve for x
    x = 12,370,056,420.17/127,110.56
  6. Step 6: Final answer
    x = 97,317.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.